System Overview¤
This document provides a high-level overview of the AI Goal-Seeking System architecture, outlining core components, data flows, and system responsibilities.
Architecture Context¤
This AI Goal-Seeking System demonstrates enterprise-grade architecture patterns with emphasis on:
- Quality Assurance - Comprehensive validation and monitoring
- Observability - End-to-end tracing, metrics, and logging
- Scalability - Modular, loosely-coupled component design
- Reliability - Queue-based processing with retry logic and dead letter queues
High-Level Architecture¤
graph TB
%% Define classes for consistent styling
classDef service fill:#e1f5fe,stroke:#01579b,stroke-width:2px
classDef external fill:#fff3e0,stroke:#e65100,stroke-width:2px
classDef data fill:#e8f5e8,stroke:#2e7d32,stroke-width:2px
classDef queue fill:#f3e5f5,stroke:#6a1b9a,stroke-width:2px
%% External actors and systems
User[👤 User]:::external
OpenAI[OpenAI API]:::external
%% Frontend layer
Frontend[React Native Frontend]:::service
%% Backend API layer
API[Express API Gateway]:::service
Socket[WebSocket Handler]:::service
%% Core processing layer
Queue[Message Queue System]:::queue
Classifier[Message Classifier]:::service
Agents[AI Agent System]:::service
%% Data and content layer
RAG[RAG Content System]:::data
Redis[(Redis Cache)]:::data
%% Quality and validation
Validator[Response Validator]:::service
%% Observability stack
Metrics[Prometheus Metrics]:::data
Traces[Jaeger Traces]:::data
Grafana[Grafana Dashboards]:::external
OTEL[OpenTelemetry Collector]:::service
%% Primary data flow
User --> Frontend
Frontend --> API
Frontend --> Socket
API --> Queue
Socket --> Queue
Queue --> Classifier
Classifier --> Agents
Agents --> RAG
Agents --> OpenAI
Agents --> Validator
%% Cache interactions
Agents --> Redis
RAG --> Redis
%% Observability flow
API --> OTEL
Socket --> OTEL
Agents --> OTEL
Queue --> OTEL
Validator --> OTEL
OTEL --> Traces
OTEL --> Metrics
Validator --> Metrics
Metrics --> Grafana
Traces --> Grafana
Core Components¤
Frontend Layer¤
- React Native Frontend - Cross-platform mobile and web interface with real-time chat capabilities
API & Communication Layer¤
- Express API Gateway - RESTful API endpoints, request routing, and business logic
- WebSocket Handler - Real-time bidirectional communication for chat and proactive messaging
Processing & Intelligence Layer¤
- Message Queue System - Asynchronous message processing with priority, retry logic, and dead letter queues
- Message Classifier - Intelligent routing of user messages to appropriate agent types
- AI Agent System - Multi-agent orchestration with specialized agents for different domains
Content & Data Layer¤
- RAG System - Curated content retrieval with quality ratings and intelligent search
- Redis Cache - High-performance caching for session data, agent state, and content
Quality Assurance¤
- Response Validator - Comprehensive quality scoring and issue detection for AI responses
Observability Stack¤
- OpenTelemetry Collector - Centralized telemetry collection and processing
- Prometheus Metrics - Time-series metrics storage and alerting
- Jaeger Traces - Distributed request tracing and performance analysis
- Grafana Dashboards - Visual monitoring and analytics interface
Key Data Flows¤
1. User Request Flow¤
sequenceDiagram
participant U as User
participant F as Frontend
participant A as API
participant Q as Queue
participant C as Classifier
participant AG as Agents
participant R as RAG
participant V as Validator
U->>F: Send message
F->>A: POST /api/chat
A->>Q: Enqueue message
Q->>C: Classify message
C->>AG: Route to appropriate agent
AG->>R: Search for content
R-->>AG: Return relevant content
AG->>V: Validate response
V-->>AG: Quality metrics
AG-->>F: Stream response
F-->>U: Display message
2. Proactive Messaging Flow¤
sequenceDiagram
participant T as Timer/Trigger
participant GS as Goal System
participant Q as Queue
participant AG as Agents
participant S as Socket
participant F as Frontend
T->>GS: Trigger proactive action
GS->>Q: Enqueue proactive message
Q->>AG: Process proactive content
AG->>S: Send via WebSocket
S->>F: Real-time delivery
3. Observability Flow¤
sequenceDiagram
participant S as Service
participant O as OTEL Collector
participant J as Jaeger
participant P as Prometheus
participant G as Grafana
S->>O: Send traces & metrics
O->>J: Export traces
O->>P: Export metrics
P->>G: Query metrics
J->>G: Query traces
System Characteristics¤
Performance¤
- Response Time: < 2s for most agent responses
- Throughput: Supports concurrent users via queue-based processing
- Scalability: Horizontal scaling via stateless services and Redis clustering
Reliability¤
- Queue Durability: Messages persisted with retry logic
- Dead Letter Queues: Failed message handling and analysis
- Circuit Breakers: External API failure resilience
Observability¤
- Distributed Tracing: End-to-end request visibility
- Metrics Collection: Business and system metrics
- Quality Monitoring: AI response validation and scoring
- Real-time Dashboards: System health and performance visualization
Integration Points¤
External Services¤
- OpenAI API: GPT model integration for dynamic responses
- Redis: Caching and session management
- Grafana: Monitoring and alerting
Internal Services¤
All components communicate via: - Message Queue: Asynchronous, reliable message passing - REST APIs: Synchronous service-to-service communication - WebSockets: Real-time client updates - OpenTelemetry: Distributed tracing correlation
Development Philosophy¤
This system demonstrates several key architectural principles:
- Separation of Concerns - Each component has a single, well-defined responsibility
- Loose Coupling - Components interact via well-defined interfaces and queues
- Observable by Design - Every interaction is traced and measured
- Quality First - AI responses are validated before delivery
- Resilient Processing - Failures are handled gracefully with retry logic
Related Documentation¤
- Getting Started: Setup and Configuration
- Component Details: Architecture Components
- Operations: Monitoring and Observability
- API Reference: Endpoint Documentation
- Examples: Integration Examples